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115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 6 |
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+----------------------------------------------------------------------+
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| Copyright (c) 2006-2008 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Georg Richter <georg@mysql.com> |
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| Andrey Hristov <andrey@mysql.com> |
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| Ulf Wendel <uwendel@mysql.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifndef MYSQLND_PALLOC_H
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#define MYSQLND_PALLOC_H
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/* Used in mysqlnd_debug.c */
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extern char * mysqlnd_palloc_zval_ptr_dtor_name;
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extern char * mysqlnd_palloc_get_zval_name;
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/* Session caching allocator */
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struct st_mysqlnd_zval_list {
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zval **ptr_line;
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zval **last_added;
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};
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typedef struct st_mysqlnd_zval_cache MYSQLND_ZVAL_CACHE;
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struct st_mysqlnd_zval_cache {
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struct st_mysqlnd_zval_list *free_list;
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unsigned int free_items;
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unsigned int max_items;
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unsigned int references;
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unsigned long get_hits;
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unsigned long get_misses;
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unsigned long put_hits;
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unsigned long put_full_misses;
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unsigned long put_refcount_misses;
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};
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enum mysqlnd_zval_ptr_type
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{
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MYSQLND_POINTS_INT_BUFFER,
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MYSQLND_POINTS_EXT_BUFFER,
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MYSQLND_POINTS_FREE
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};
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/* Persistent caching allocator */
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typedef struct st_mysqlnd_zval {
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/* Should be first */
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zval zv;
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enum mysqlnd_zval_ptr_type point_type;
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#ifdef ZTS
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THREAD_T thread_id;
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#endif
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} mysqlnd_zval;
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typedef struct st_mysqlnd_ndzval_list {
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mysqlnd_zval **ptr_line; /* we allocate this, all are pointers to the block */
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mysqlnd_zval **last_added; /* this points to the ptr_line, and moves left-right. It's our stack */
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} mysqlnd_ndzval_list;
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struct st_mysqlnd_zval_pcache {
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mysqlnd_zval *block;
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mysqlnd_zval *last_in_block;
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mysqlnd_ndzval_list free_list; /* Fetch from here */
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#ifdef ZTS
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MUTEX_T LOCK_access;
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#endif
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unsigned int references;
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/* These are just for statistics and not used for operational purposes */
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unsigned int free_items;
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unsigned int max_items;
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unsigned long get_hits;
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unsigned long get_misses;
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unsigned long put_hits;
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unsigned long put_misses;
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};
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struct st_mysqlnd_thread_zval_pcache {
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struct st_mysqlnd_zval_pcache *parent;
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unsigned int references;
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#ifdef ZTS
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THREAD_T thread_id;
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#endif
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mysqlnd_ndzval_list gc_list; /* GC these from time to time */
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};
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#endif /* MYSQLND_PALLOC_H */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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